We just bought a new home and lots of things had not been maintained so we knew our vents and ducts probably needed to be looked at and sure enough, SO much was in there. We are excited to not have 40 years of dog hair, skin cells, fecal matter and such in our system and effecting our air quality. Max, our technician, was very thorough and great at explaining what things were, the why to do something vs. not, and my options. I felt no pressure but did get more service done then I had planned but was very satisfied with what was performed and am glad it is all taken care of. And I got a discount as we are expecting a baby in 3 weeks, so take advantage and get yourself some clean air in your home.